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network: introduce link_is_ready_to_configure() helper function

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This will be used in later commits.
This commit is contained in:
Yu Watanabe 2021-05-07 15:45:28 +09:00
parent 19d9a5adf0
commit 7191a57a0e
2 changed files with 21 additions and 0 deletions
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19
src/network/networkd-link.c
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@ -134,6 +134,25 @@ bool link_ipv6_enabled(Link *link) {
return false; return false;
} }
bool link_is_ready_to_configure(Link *link, bool allow_unmanaged) {
assert(link);
if (!link->network || link->network->unmanaged) {
if (!allow_unmanaged)
return false;
return link_has_carrier(link);
}
if (!IN_SET(link->state, LINK_STATE_CONFIGURING, LINK_STATE_CONFIGURED))
return false;
if (!link_has_carrier(link) && !link->network->configure_without_carrier)
return false;
return true;
}
static bool link_is_enslaved(Link *link) { static bool link_is_enslaved(Link *link) {
if (link->flags & IFF_SLAVE) if (link->flags & IFF_SLAVE)
/* Even if the link is not managed by networkd, honor IFF_SLAVE flag. */ /* Even if the link is not managed by networkd, honor IFF_SLAVE flag. */

2
src/network/networkd-link.h
View File

@ -199,6 +199,8 @@ typedef struct Link {
typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*); typedef int (*link_netlink_message_handler_t)(sd_netlink*, sd_netlink_message*, Link*);
bool link_is_ready_to_configure(Link *link, bool allow_unmanaged);
void link_ntp_settings_clear(Link *link); void link_ntp_settings_clear(Link *link);
void link_dns_settings_clear(Link *link); void link_dns_settings_clear(Link *link);
Link *link_unref(Link *link); Link *link_unref(Link *link);